Galanthus Flore Pleno is the one to have for the Galanthus enthusiast. Rare and unique blooms are a treat in any garden. Extremely cold tolerant, they are hardy to zone 3 and one of the first flowers to appear in northern temperate climate. They perform best in wooded shady areas, under shrubs or on the edge of the garden. Plant 6 to 8 bulbs per square foot. Bulb size: 7 cm.